A Lightning voucher is a convenient way to acquire Bitcoin quickly and securely. It's essentially a voucher containing a unique QR code that represents a specific amount of Bitcoin. By redeeming this voucher using a compatible Lightning wallet, users can instantly access Bitcoin without the need for lengthy transactions or account setups.

A Lightning wallet is a type of Bitcoin wallet that is optimized for Lightning Network transactions. Unlike traditional Bitcoin wallets, Lightning wallets enable near-instantaneous and low-cost transactions by leveraging off-chain payment channels. These wallets typically support Lightning Network technology, allowing users to send and receive Bitcoin with minimal fees and rapid confirmation times.